内进行了10种枯落物覆盖量0。
枯落物分解程度影响着汞浓度的变化。
The variance of mercury concentration was related to the degree of the litters decomposition.
检查浮鞋内有无落物。
这种工具对于带接箍的管类落物打捞成功率较高。
The tool is especially a great success in catch of objects accompanied with couplings.
草本层生物量在减少，枯落物的覆盖厚度在增大。
The biomass of herb layer is reducing and the thickness of litter is increasing.
凹底磨鞋可用于磨削井下小件落物以及其它不稳定落物。
The concave bottom mill shoe is used to grind downhole small objects and other unstable fallen objects.
许多在地震中的死和伤都是落物和房屋倒塌造成的。 。
Many deaths and injuries in earthquaking result from falling objects and the collapse of buildings.
油井井底碎屑和小件落物的打捞一直沿用强磁打捞器和循环打捞篮。
The fishing magnet and recycle fishing basket have always been used for fishing the ch ips and sm all junks in the oilwell bottom.
事故现场固体抛落物及其分布场隐含着揭示交通事故状态的重要信息。
Solid throwing objects and their spreading field on traffic accident scene hint important details about the status of traffic accident.
井下绳索类落物打捞工艺技术是石油井下工程事故处理工艺的重要部分。
Fishing techniques for downhole wireline and cables are an important component of petroleum engineering.
本文对内蒙古鄂尔多斯市砒砂岩区人工沙棘林地枯落物持水性能进行了研究。
The litter water-holding capability of the litter layer about Seabuckthorn of the arsenic sandstone areas in Dongsheng district, Erdos City was studied.
苔藓、藻类盖度及生物结皮盖度主要受枯落物、草本盖度等近地因子的影响。
The moss coverage, algae coverage and biological crust coverage were more affected by litter and herbage coverage.
因出砂、套管垢沉积、落物、注灰等原因常造成钻杆卡钻，导致油水井报废。
Many reasons like out sand, deposition of case dirty, falling things and cement injection can cause the drill pipe sticking and the well abandoned.
卡瓦打捞筒作为钻修井打捞工具，主要用于钻完井作业打捞落物的外捞工具。
Slip socket, the fisher of drilling and repairing well, is mostly used as the outer fisher to fish the drop during the drilling and completion.
由于侧钻井、水平井特殊井身结构限制，常规的小件落物打捞器打捞成功率低。
Because the limit of special casing program of sidetracking well and horizontal well, the fishing success ratio of conventional little junk fisher is low.
人工林中针叶树的枯落物占90%以上，而天然林中阔叶树的枯落物占40%。
The litters of coniferous trees accounted for 90% in artificial forests, but litters of broadleaf trees were 40% in natural forests.
结果表明：混合枯落物和木荷枯落物中细菌数量最多，放线菌次之，真菌最少；
The results showed that in the mixed and Schima superba leaf litters, the quantity of bacteria was the most, the quantities of actinomycetes and fungi were less.
以上研究结果可为采伐对土壤和枯落物功能影响的研究和低质林经营提供科学参考。
The results above provide a scientific reference for impact of logging on function of soil and litter and low-quality forest management.
并采用单指数衰减模型对小叶章湿地枯落物的分解速率动态和残留率动态进行了模拟。
The Olson's single exponent model was adopted to simulate the dynamic of the litter decomposition rate and the remnant rate.
对位于祁连山南麓的青海省大通县退耕地人工植物群落的枯落物容水性能进行了研究。
The litter water-holding capability of the artificial plant communities of the rehabilitated land in Datong county of Qinghai province located at the southern foot of Qilian mountains was studied.
林地枯落物对改良土壤、截持降雨、减少雨滴溅蚀、防止水土流失等都具有重要作用。
Withered branches and dead leaves in the forest play an important role in amelioration of soil, interception of rainfall, reduction of splashed erosion of raindrop and control of soil loss.
落物保护结构是在有坠落物体(如树木、岩石等)时，对司机提供适当保护的安全结构。
Falling-object protective structure (FOPS) can block objects (such as trees, rocks) so that it supplies protection for the operator.
土壤动物密度及生物量与调落物年归还量、土壤有机质含量、植被盖度等均呈正相关关系；
The density and biomass of soil animal has a positive interrelation to the present content of the fallen, the content of organic substance in soil and vegetation coverage.
森林植被通过林冠层、枯落物层和根系土壤层的分层拦截吸收，起到突出的减洪减沙作用。
Through the roles of interception and absorption of the canopy layer, litter layer, and root and soil layer, the benefits of flood and sediment reduction of forest vegetation are prominent.
以13—238井为例，对斜井落物井况进行了分析，简述了打捞落井仪器施工设计及施工过程。
Taking example of 13-238 well, well condition is analyzed and design and operation process of fishing dropped instruments is briefly introduced.
主要指细菌、真菌等。把动植物遗体、排泄残落物等，分解成简单的无机物、归还大自然再利用。
Decomposers are organisms, often fungi or bacteria, which break down the carcasses and feces of animals and plants and turn them into simple inorganic materials for reuse by the nature.
结果表明，影响该区森林天然更新的主要因素是海拔高度，其次是灌木层盖度和枯落物层的盖度。
The results show that the main factor that affects the natural regeneration is elevation, and the coverages of litter and brushwood were next.
从坡面水动力学角度研究了坡面乔木林、草本植物和林地枯落物对坡面径流流速和动能的影响机理。
From the view of hydrodynamics, this paper studied the acting mechanism of tree, grass and forest litter on slope runoff velocity and kinetic energy.
从坡面水动力学角度研究了坡面乔木林、草本植物和林地枯落物对坡面径流流速和动能的影响机理。
From the view of hydrodynamics, this paper studied the acting mechanism of tree, grass and forest litter on slope runoff velocity and kinetic energy.
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